#1F9FB3#1F9FB3

#1F9FB3 is a light, moderate teal. Relative luminance 0.283; OKLCH L 64.7% C 0.106 H 211.3°. Best body text is #000000 at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#1F9FB3
RGB	rgb(31, 159, 179)
HSL	hsl(188, 70%, 41%)
HSV	hsv(188, 83%, 70%)
CMYK	cmyk(82.7%, 11.2%, 0%, 29.8%)
CIE-LAB	lab(60.19, -25.69, -19.78)
CIE-LCH	lch(60.19, 32.42, 217.59°)
OKLab	oklab(64.68% -0.0908 -0.0552)
OKLCH	oklch(64.68% 0.106 211.3)
XYZ	xyz(21.0963, 28.3396, 46.9973)
Luminance	0.2834 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F9FB3 #B3331F

analogous

#1FB37D #1F9FB3 #1F55B3

triadic

#1F9FB3 #B31F9F #9FB31F

tetradic

#1F9FB3 #7D1FB3 #B3331F #55B31F

square

#1F9FB3 #7D1FB3 #B3331F #55B31F

split-complementary

#1F9FB3 #B31F55 #B37D1F

monochromatic

#0D424B #16717F #1F9FB3 #33C5DC #68D4E5

Accessibility & contrast

On white

3.15

#1F9FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.67

#1F9FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1F9FB3

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F9FB3	#FFFFFF	#000000	##000000
##1F9FB3	1.00	3.15	6.67	6.67
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.67	21.00	1.00	1.00
##000000	6.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F99B4

Deuteranopia (green-blind)

#7C8BB3

Tritanopia (blue-blind)

#00A7A5

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #1f9fb3;
/* rgb */ color: rgb(31, 159, 179);
/* oklch */ color: oklch(64.7% 0.106 211.3);

Tailwind

colors: {
  custom: {
    50: '#77bbc9',
    500: '#1f9fb3',
    950: '#000000',
  },
}

SCSS

$custom: #1f9fb3;
$custom-light: #77bbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f9fb3",
  "rgb": {
    "r": 31,
    "g": 159,
    "b": 179
  },
  "hsl": {
    "h": 188.108,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.64676,
    "c": 0.10622,
    "h": 211.3
  },
  "luminance": 0.28342
}

Semantic roles & 50–950 ramp

primary

#1F9FB3

secondary

#CA7164

accent

#533BED

background

#F8FBFC

surface

#EFF6F8

border

#CAD0D1

text

#0A1213

muted

#7C8182

Preview Lab

Preview with #1F9FB3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →